Voilà voilà : dans le readme du driver tout à la fin, voir la derniere ligne :
KNOWN ISSUES AND LIMITATIONS
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#72238 - 20% lower throughput on channels 149, 153, 157, and 161
#72324 - Ubuntu 8.04: cannot ping when Linux STA is IBSS creator with WEP enabled
#72216 - Ubuntu 8.04: standby/resume with WPA2 and wpa_supplicant causes a continuous
assoc/disassoc loop (issue with wpa_supplicant, restarting wpa_supplicant fixes the issue)
#76739 Ubuntu9.04: unable to connect to hidden network after stdby/resume
#76793 Ubuntu9.04: STA fails to create IBSS network in 5 Ghz band
#76814 Wireless option is Grayed out in Network Manager in FC-11-64bit